Home / 117,891.33-162,690.04-64,176.74

Finding the Fourth Proportional to 117,891.33, 162,690.04 and 64,176.74

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Solution

The fourth proportional to 117,891.33, 162,690.04 and 64,176.74 is: 88,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,891.33 : 162,690.04 = 64,176.74 : x
  2. Step 2: Convert to fraction form
    117,891.33/162,690.04 = 64,176.74/x
  3. Step 3: Cross multiply
    117,891.33x = 162,690.04 × 64,176.74
  4. Step 4: Simplify right side
    117,891.33x = 10,440,915,913.53
  5. Step 5: Solve for x
    x = 10,440,915,913.53/117,891.33
  6. Step 6: Final answer
    x = 88,563.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.